Operating System Software used at Sites in January 2008

This analysis relates to those sites found in the survey where the common name in the certificate matched the hostname, and the certificate's digital signature was not detected as being self-signed.

Responses were obtained from 38426 sites, with the following distribution of operating system software.

Other views of this data are on separate pages:

The following pie chart shows the moving average shares over time.

The next graph shows the actual development of shares over time.

Market Shares by Operating System Version to January 2008

Operating System Moving
Avg. %
2005 2006 2007 2008
Jan Jan Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan
Linux 68.60 9659 15968 20629 20934 21224 21711 22587 23088 24016 24350 24687 25017 25539 25984 26437
Windows Server 2003 13.88 780 1781 3974 3907 3995 4203 4338 4582 4952 4968 5068 5177 5292 5341 5448
unknown 6.06 911 1290 1579 1884 1988 1877 1917 1823 2025 2057 2154 2202 2253 2425 2449
Windows 2000 3.20 2662 2645 1293 1267 1230 1203 1178 1159 1171 1129 1118 1095 1058 1044 1027
F5 Big-IP 2.23 0 62 425 405 410 459 610 741 710 758 788 819 882 975 1025
FreeBSD 1.73 445 528 591 591 578 587 578 588 619 616 619 624 628 625 635
Solaris 8 1.60 674 917 731 739 746 732 617 614 614 607 611 587 565 432 423
Solaris 9/10 1.22 120 245 347 353 364 378 383 402 416 418 435 455 466 466 483
MacOSX 0.26 45 56 75 72 79 82 86 85 88 91 99 96 94 101 93
HP-UX 0.24 138 122 68 67 66 68 70 81 83 87 88 87 88 89 90
Solaris 2/7 0.23 254 164 108 101 99 98 94 93 91 84 79 74 73 74 73
NT4/Windows 98 0.21 350 205 108 102 96 88 83 77 78 75 74 69 65 59 58
NetWare 0.13 17 35 44 48 47 45 44 47 49 44 47 48 47 46 46
AS/400 0.11 25 39 39 39 40 40 38 36 40 39 39 38 41 38 35
NetBSD/OpenBSD 0.10 19 25 33 30 31 31 32 34 34 36 41 38 40 37 38
AIX 0.09 77 44 35 34 37 32 31 33 32 31 31 33 27 33 33
BSD/OS 0.05 46 42 23 25 22 21 24 20 16 18 17 14 12 12 11
IRIX 0.02 12 9 7 7 7 7 7 7 7 7 7 8 8 8 8
Windows XP 0.01 0 0 0 0 1 1 1 1 2 1 3 3 3 3 3
OS/390 0.01 0 0 3 3 3 3 3 3 3 3 3 3 3 3 3
MacOS 0.01 7 5 4 4 4 4 4 4 4 3 3 3 3 3 3
NetApp NetCache 0.01 2 2 3 3 4 4 4 3 3 3 3 3 3 3 3
OpenVMS 0.00 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1
Compaq Tru64 0.00 5 3 2 1 1 1 1 0 0 0 0 0 0 0 0
SCO UNIX 0.00 1 1 1 2 1 1 1 2 1 0 0 0 0 0 1
Windows Server 2008 0.00 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0
VM 0.00 0 1 1 1 1 1 1 1 1 1 2 2 2 0 0